3243867828 has 24 divisors (see below), whose sum is σ = 7575120000. Its totient is φ = 1080418560.

The previous prime is 3243867827. The next prime is 3243867829. The reversal of 3243867828 is 8287683423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3243867827) and next prime (3243867829).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243867827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93228 + ... + 123203.

It is an arithmetic number, because the mean of its divisors is an integer number (315630000).

Almost surely, 2^3243867828 is an apocalyptic number.

It is an amenable number.

3243867828 is an abundant number, since it is smaller than the sum of its proper divisors (4331252172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3243867828 is a wasteful number, since it uses less digits than its factorization.

3243867828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217687 (or 217685 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 3243867828 is about 56954.9631551105. The cubic root of 3243867828 is about 1480.3158304546.

The spelling of 3243867828 in words is "three billion, two hundred forty-three million, eight hundred sixty-seven thousand, eight hundred twenty-eight".